Metal Powder for Polyester Melt Spinning Suzhou Shengyu Chemical Co., Ltd. Base Info Model NO.:8004Standard:AISICertification:ISO, AISI, GBShape:IrregularTechnique:Cold RolledSurface Treatment:Polished Description Pre:High Quality Competitive Price Universal Steel I Beam Next:Lowest Price I Beam Galvanized Beam Ipe I Beam Iron